the election will come down, of course, to nine states that are toss-ups today and will tip the balance on election night. tonight, we have new polling from three of them. in virginia, our quinnipiac university/cbs news/"new york times" poll finds the president's lead up a point, 51% to 46. in colorado, the lead is flipped. with romney now ahead 48% to 47. and in wisconsin, home state of paul ryan, the president's lead has been cut in half. it is now 50% to 47. dean reynolds is in another of the swing states, north carolina, with more about our poll tonight. dean. >> reporter: scott, governor romney has just finished speaking here at a big rally in arbville, north carolina, riding rising republican enthusiasm over this tightening race. and our poll today helps to explain why neither candidate seems able to pull away.